Treetop CSS grammar/parser.

Gem modular_tree

Add roles to models with tree structure via postgres_tree. It's average because it doesn't do much else.

Treequel is an LDAP toolkit for Ruby. It is intended to allow quick, easy access to LDAP directories in a manner consistent with LDAP's hierarchical, free-form nature. It's inspired by and modeled after [Sequel][sequel], a kick-ass database library. For more information on how to use it, check ...

Given an class or module name hier command shows an ascii tree (similar to the tree shell command) of the descendants of the given class.

A binary decision tree useful for brackets of single elimination tournaments.

A self-balancing binary tree optimised for fast access to frequently used nodes. Useful for implementing caches and garbage collection algorithms.

Parses a usable tree from ASCII art.

Drag and Drop Tree UI for Angular

A Compass plugin to provide the "basic" theme for use with compass-treesaver-plugin.

Builds a tree of module inclusion of a target module into other modules

Builds a tree of errors instead of the 1-dimension one generated by ActiveMode::Base#errors.messages.

Data tree utility gem

DumbDownViewer (ddv) is a recursive directory listing command with limited functionality. In some cases, you can use ddv like "tree" command (http://mama.indstate.edu/users/ice/tree/), even though these commands are not compatible: Several options of "tree" are missing in ddv, but there are some ...

An efficient tree structure for querying on data with overlapping ranges

Open-source binary and bi-dimensional tree for ruby.

radix tree implementation in c++ with FFI bindings

Naive implementation of Radix Tree for Ruby

Show tree of classes and methods in a module.

A drop in replacement for acts_as_tree with super fast ancestors and subtree access